User guide
DX POWER SWITCH 8 PORT
17
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9. Security parameters configuration
Masks settings:
· Each mask can be an IP Address or a range of IP Addresses
· Each mask allows you to permit or deny access to the Web server of the
DX Power Switch-Standalone for specific addresses or ranges of addresses
· Each mask can be activated or deactivated (without function in this case)
· Each IP Address consists of a series of 4, 8-bit numbers. The number 255
is used as a wildcard it replaces all others
· Masks are listed in order of descending priority; so Mask 1 has the highest
priority
· Masks have a cumulative effect; high priority masks supersede the effect
of lower priority masks
Example 1
Deny access to all IP addresses except 192.168.001.015.
Mask IP Address Permit Deny Activated
#1 192.168.001.015
ü
ü
#2 255.255.255.255
ü ü
Example 2
Permit access to IP addresses beginning with 192 only.
Mask IP Address Permit Deny Activated
#1 192.255.255.255
ü
ü
#2 255.255.255.255
ü ü